Homework Answers
Given,
v = 9.7 m/s
theta = tan^-1(4/5) = 38.66 deg
angle = 90 - theta - 31 = 20.34 deg
vr = -v cos(angle) = -9.7 x cos20.34 = -9.1 m/s
v(theta) = -9.7 sin20.34 = -3.37 m/s
theta = v(theta)/sqrt (4^2 + 5^2) = -3.37/6.4 = - 0.527 rad/s
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